The KAK Plan B AK74 Muzzle Device is designed for precision and reliability, featuring a tapered design that ensures a secure lockup and a proper seal with suppressor adapters. This muzzle device is compatible with Plan B suppressor hubs and is an excellent choice for those using 7.62x39mm caliber firearms. For optimal installation, it is recommended to use Rocksett and apply 20-25 ft-lbs of torque. Please note that some suppressor manufacturers may not honor warranty claims if non-compatible muzzle devices are used. Intended Use: Ideal for enhancing performance in tactical scenarios and recreational shooting. Key Benefits: Provides a reliable seal and repeatable lockup for suppressor use. Key Features: - Overall Length: 2.55 inches - Protrusion into Blast Chamber: 1.55 inches - Weight: 3.5 oz - Material: 17-4 Stainless Steel - Compatible with 5.56 and 7.62x39mm calibers - Installation Multi Wrench included Summary: The KAK Plan B AK74 Muzzle Device enhances your shooting experience by providing a secure and repeatable attachment for suppressors, making it a valuable addition for responsible gun owners and enthusiasts looking to optimize their setup.